The Nebraska National Forest is a United States National Forest located within the U.S. state of Nebraska. The total area of the national forest is 141,864 acres, or 222 sq miles (574 km2). The forest is managed by the U.S. Forest Service's Nebraska Forests and Grasslands Supervisor's Office in Chadron, Nebraska. The national forest includes two ranger districts, the Bessey Ranger District and the Pine Ridge Ranger District. In descending order of land, the forest lies in parts of Thomas, Dawes, Blaine, and Sioux counties.

Chadron is a city and the county seat of Dawes County, Nebraska, United States, in the Great Plains region. The population was 5,206 at the 2020 census.